Stadea Series Standard A, 4" diamond polishing Pads 50 Grit 2 Pcs is a great value, professional grade starter pad for concrete polishing, granite polishing, marble polishing. Concrete Marble Granite Polishing It has outstanding finish on concrete countertop flat surface, contoured surface, edge polishing, concrete floor polishing. It has excellent finish on marble flat surface, edges, floor polishing. It works equally well on softer stone, Travertine Terrazzo and glass polishing. It has very good result on Granite Edge Polishing, quartz edge. For Granite Quartz, other hard stone flat surface polishing get Stadea Series Ultra D Wet pad. Versatality & Coverage Available Sizes: 3”, 4”, 5”, 6" Available Grits: 30, 50, 100, 150, 200, 400, 500, 800, 1000, 1500, 2000, 3000, 10000, Black Buff, White Buff Approx 30-60 sft coverage per set, actual coverage may vary depending on roughness of concrete/stone. It has enough flexibility for flat and countered surface polishing. Tools to Use Stadea SWP101K Stone Wet Polisher, Stadea Rubber Backing Pads are recommended. It can also be use with other polishers. Value for Money The pad is priced very competitive, is a huge money saver offering high quality shine on concrete polishing, stone polishing with professional finish. About Stadea STADEA offers industrial diamond tools, power tools and range of tools accessories. STADEA is a rapidly growing brand known for its quality tools for stone fabrication, manufacturing, cutting, grinding, polishing such as diamond polishing pads hole saws floor polishing pads router bit profile grinding wheels and more! STADEA is one of the preferred choices for concrete stone fabricators and manufacturers for Its top notch quality and competitive pricing. STADEA is registered trademark of ePortal LLC, Santa Clara CA